尝试使用 rvm 安装 ruby 时出现以下错误:
$rvm install 1.9.3
Searching for binary rubies, this might take some time.
Checking requirements for ubuntu.
Installing requirements for ubuntu.
Updating system..................................................................................................
Error running 'requirements_debian_update_system ruby-1.9.3-p448',
please read /home/troy/.rvm/log/1379872584_ruby-1.9.3-p448/update_system.log
Requirements installation failed with status: 100.
你能帮我解决这个问题吗!